Finding the Fourth Proportional to 804,617.80, 1,206,926.70 and 243,652.30
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Solution
The fourth proportional to 804,617.80, 1,206,926.70 and 243,652.30 is: 365,478.45
Step by Step Solution
- Step 1: Write the proportion equation
804,617.80 : 1,206,926.70 = 243,652.30 : x - Step 2: Convert to fraction form
804,617.80/1,206,926.70 = 243,652.30/x - Step 3: Cross multiply
804,617.80x = 1,206,926.70 × 243,652.30 - Step 4: Simplify right side
804,617.80x = 294,070,466,386.41 - Step 5: Solve for x
x = 294,070,466,386.41/804,617.80 - Step 6: Final answer
x = 365,478.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.